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Mucogingival Questions and Answers

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Mucogingival Questions and Answers 6.3.2 Mucogingival (Therapy 19 Questions) 8. A flap that may be used to cover exposed root surfaces or cover membranes used in guided tissue regeneration is a 1. Coronally positioned flap* 2. Apically positioned flap 3. Double papilla flap 4. Modified Widman flap 31. Gingival grafting is used for 1. Crown lengthening 2. Increasing the width of keratinized gingival* 3. Regeneration of bone 4. Flap curettage 42. Which of the following are considered to be pedicle grafts? 1. Apically positioned flaps 2. Laterally positioned flaps 3. Coronally positioned flaps 4. All of the above* 5. None of the above 50. A laterally positioned flap can be used in areas where an area of gingival recession is adjacent to a wide band of attached gingiva; the thickness of the attached gingiva at the donor site is not an important factor. 3. The first statement is TRUE, the second is FALSE * 59. The primary reason for the failure of a gingival graft is: 1. Infection 2. Edema 3. Epithelial slough 4. Disruption of vascular supply* 173. Problems relating to improper use of the pedicle or the laterally-positioned flap to cover a dehiscence are (a) unpredictability of reattachment procedures. (b) infection. (c) creation of a new dehiscence at the donor site. (d) extreme patient discomfort. (e) presence of undetected occlusal trauma. 2. (a) and (c)* 188. On which of the following teeth is a free gingival graft least likely to be an appropriate form of therapy? 1. Mesiobuccal root of the maxillary first molar 2. Facial surface of the maxillary canine 3. Facial surface of the mandibular third molar* 4. Facial surface of the mandibular first premolar 5. Facial surface of the mandibular central incisor 209. Increasing the zone of attached gingiva in the area of mandibular second and third molars is often complicated by the presence of the 1. mylohyoid ridge. 2. vestibular fornix. 3. internal oblique ridge. 4. external oblique ridge.* 224. Which of the following factors must be present to perform a laterally positioned flap (pedicle graft) procedure? (a) presence of bone on the facial surface of the donor tooth (b) adequate thickness of gingiva at the donor site (c) adequate width of gingiva at the donor site (d) adequate width of gingiva at the receptor site 1. (a), (b) and (c)* 277. Which of the following factors must be evaluated before deciding whether to perform a laterally positioned flap (pedicle graft) procedure? (a) presence of bone on the facial surface of the donor tooth (b) thickness of the gingiva at the donor site (c) width of attached gingiva at the donor site (d) absence of frenum involvement at the receptor site 1. (a), (b) and (c)* 283. Which of the following treatment procedures is indicated for a patient with, age-related gingival recession? 1. Gingivectomy 2. Gingivoplasty 3. Flap operation 4. Gingival graft* 5. None of the above 292. Examination reveals an area of gingival recession that exposes a wide area of denuded root. Which of the following is the procedure of choice to obtain coverage of this root surface? 1. Free gingival autograft 2. Free gingival heterograft 3. Apically positioned flap 4. Laterally positioned pedicle graft* 295. Which of the following conditions is NOT an indication for mucogingival surgery? 1. Infrabony defect* 2. Insufficient attached gingiva 3. A frenum attachment into the gingival margin 4. A localized gingival cleft extending to the mucogingival junction 296. On which of the following is a free gingival graft least likely to be an appropriate form of therapy? 1. Facial surface of a maxillary canine 2. Facial surface of a mandibular third molar* 3. Facial surface of a mandibular first premolar 4. Facial surface of a mandibular central incisor 5. Mesiofacial root of a maxillary first molar 344. Which of the following factors must be present to perform a laterally positioned flap (pedicle graft) procedure? (a) bone on the facial surface of the donor (b) an adequate thickness of gingiva at the donor site (c) an adequate width of gingiva at the donor site (d) an adequate width of gingiva at the receptor site 1. (a), (b) and (c)* 467. Which of the following procedures may be used to increase the width of keratinized gingiva? . (a) laterally.positioned flap (b) apically positioned flap (c) free gingival graft (d) modified Widman flap 1. (a), (b) or (c) * 479. Problems of gingival recession related to absence of an adequate band of attached gingiva may be corrected by each of the following techniques EXCEPT 1. free gingival graft. 2. laterally positioned flap. 3. gingivoplasty and root planning.* 4. splint-thickness apically positioned flap. 529. Which of the following are contraindications for a lateral sliding flap procedure? (a) shallow vestibule (b) prominent recipient root (c) ultra-thin recipient tissue (d) inadequate amount of keratinized donor tissue 2. (a), (b) and (d)* 557. The success of a free gingival graft procedure depends upon which of the following? A. The graft being immobilized at the recipient site* B. The donor tissue being as thick as possible and containing periosteum C. A thick blood clot remaining between the recipient and donor tissue D. A periosteal fenestration being present 563. After a free gingival graft, the primary source of nutrition for the graft during the first 24 hours is the A. primary vascular anastomosis. B. residual nutrients within the graft. C. diffusion of nutrients from the underlying connective tissue.* D. diffusion of nutrients from adjacent vessels of the periodontal ligament. 147. To prevent exposure of a dihescence or fenestration on a prominent root, the dentist’s best approach when elevating a flap is to use a (an): 1. double flap. 2. stripping procedure. 3. full-thickness flap. 4. apically positioned flap. 5. partial or split thickness flap.* 37. To increase the anterior mandibular depth, the practitioner p[laces the mucosal graft directly on the: 1. mucosa. 2. periostium.* 3. muscle. 4. bone. .
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